livechat-specific Converse plugin: refactoring

conversejs/lib/plugins/livechat-specific/chatroom.ts

@@ -0,0 +1,28 @@
+// SPDX-FileCopyrightText: 2024 John Livingston <https://www.john-livingston.fr/>
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+
+export function chatRoomOverrides (): {[key: string]: Function} {
+  return {
+    getActionInfoMessage: function getActionInfoMessage (this: any, code: string, nick: string, actor: any): any {
+      if (code === '303') {
+        // When there is numerous anonymous users joining at the same time,
+        // they can all change their nicknames at the same time, generating a log of action messages.
+        // To mitigate this, will don't display nickname changes if the previous nick is something like
+        // 'Anonymous 12345'.
+        if (/^Anonymous \d+$/.test(nick)) {
+          // To avoid displaying the message, we just have to return an empty one
+          // (createInfoMessage will ignore if !data.message).
+          return null
+        }
+      }
+      return this.__super__.getActionInfoMessage(code, nick, actor)
+    },
+    canPostMessages: function canPostMessages (this: any) {
+      // ConverseJS does not handle properly the visitor role in unmoderated rooms.
+      // See https://github.com/conversejs/converse.js/issues/3428 for more info.
+      // FIXME: if #3428 is fixed, remove this override.
+      return this.isEntered() && this.getOwnRole() !== 'visitor'
+    }
+  }
+}